The MI 3121H Smartec 2.5 kV Insulation / Continuity is the portable measuring instrument for complete diagnostic testing of insulation and continuity measurements. Due to insulation resistance measurement with the test voltages up to 2.5 kV (measuring range is up to 100 GΩ) and calculation of PI and DAR indexes the instrument is suited for testing insulation of cable lines, current and voltage transformers, electric motors, etc.


Due to configurable limits the instrument enables PASS / FAIL evaluation of test results which is accompanied with bright green or red light of LEDs. Additional features include magnetic holder for fixing the tester on the metal surface and built-in charger. The MI 3121H is compatible with EuroLink PRO software which enables downloading and analysis of test results and creation of professional test reports. 


MI 3121H Standard set

  • Instrument Smartec Insulation / Continuity
  • Soft hand strap
  • Test lead, 2 x 1.5 m
  • Test probe, 2 pcs (black, red)
  • Crocodile clip, 2 pcs (black, red)
  • Power supply adapter + 6 NiMH rechargeable batteries, type AA
  • Instruction manual on CD
  • Short instruction manual
  • Handbook on CD
  • Calibration certificate

Metrel MI 3121H SMARTEC 2.5 kV Insulation Continuity Tester

  • Please allow 2 - 3 weeks lead time for this new product to arrive. 

    Comes with a 2 Year (24 month) Warranty from the manufacturer.

    This product is only available to customers in North America and Canada. 

    Contact us for any questions or more information about this product.

For Sales, Calibration, or Repair Services Call 1 (888) 868 - 4546

Contact Us 

750 Oakdale Rd Unit 52

Toronto, Ontario

M3N 2Z4 Canada

Local: (905) 406-0100 

1 (888) 868 - 4546

We Accept

Visit our Top Rated Seller

eBay and Amazon Stores

ebay top rated.png
meatest logo.png
tinsley logo.jpg
keithley logo.png
keysight logo.png
EA logo.PNG
ODA logo.png
isa logo.png
HT logo.jpg
sonel logo.jpg
saluki - Square.jpg
langer logo good.PNG
detectus logo.jpg
megiq logo.PNG
  • Facebook - Grey Circle